# SDR 99ZZZX1977

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N265RG](https://openairdocs.org/aircraft/N265RG), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0833
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Control Cable
- Part number: 500000862
- Condition: Broken
- Location: Te Flap
- Part time: 7,700 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX1977

## Discrepancy

WHEN COMPLETING REPAIRS TO FLAP SYS AFTER PILOT ENCOUNTERED A FULL FLAP SPLIT WITH RT FLAP ALL THE WAY RETRACTED AND LT FLAP AT FULL EXTENSION, FOUND RT FLAP DOWN CABLE P/N 5000008-62 FRAYED AND BROKEN 2.5 INCHES INBD OF WHERE FLAP PRE-SELECT INSTALL CABLE CLAMP WAS INSTALLED.  CABLE FRAYED AND BROKE BETWEEN DETAIL B NR 39 PULLEY BRACKET AND DETAIL C NR 14 CABLE CLAMP.  WHEN THIS HAPPENED, FLAP WENT INTO FULL RETRACTION AND PULLED PRE-SELECT FLAP IND INTO FULL UP POSITION WHICH MADE FLAP SELECTOR USELESS.  PILOT WAS ON DESCENT FOR LANDING AND THIS PITCHED ACFT INTO A STEEP RT BANK.  PILOT REGAINED CONTROL BY GIVING FULL LT AILERON RUNNING ENGINES TO FULL POWER AND RETRACTING LANDING GEAR.   UNEVENTFUL LANDING.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.